Viltra 20 This is a prescription drug (see Buy Villitra 20 without a prescription) used to treat impotence, erectile dysfunction (ED) in men. In 2003, Vilitra 20 became the second drug approved by the FDA in the United States for the disease, after V*agra. It was developed and sold by Centurion Lab. In some regions Vilitra 20 is sold under the Levitra brand.